Slipper-sole.



No. 773,850. `IATE1\VI"J:`.D NOV. l, 1904.

J. D. COOPER & M. HALE.

SLIPPER SOLE.

APPLICATION FILED MAY 20. 1899.

O No MODEL.

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faggi UNTTEE STATES Patented November 1, 1904;

PATENT OEETcE,

SLIPPER-SOLE.

SPECIFICATION forming part of Letters Patent No. 773,850, dated November1 1904.

Application filed May 20, 1899. Serial No. 717,658. (No model.)

To all whom, it may concern,.-

Beit known that we, JAMES DrxON COOPER, shoemaker, and MARY HALE,gentlewoman, both of the city of Toronto, in the county of York, in theProvince of Ontario, Canada, have invented certain new and usefulImprovements in Slipper-Soles, of which the following is aspecification.

Our invention relates to improvements in slipper-soles more particularlyadapted for bedroom-slippers; and the object of the invention is todevise a strong durable sole in which the upper may be connected theretovery securely, durably, and cheaply; and it consists, essentially, of aslipper-sole made of one thickness of leather having a channel or slitcut around the edge from the inside and extending; into proximity withthe upper corner and a row of stitching extending through the bottom ofthe channel and this portion of the sole to the apex or upper corner ofthe edge of the sole, as hereinafter more particularly explained.

Eigure l is a perspective view of a slippersole adapted particularly toreceive a knitted or crocheted fabric upper. Eig. 2 is a perspectiveview of portion of the sole, showing the way the channel is cut andturned out in order to make the stitching. Fig. 3 is a crosssectionshowing at one side the flap of the channel turned down and the channelopen and at the opposite side the channel cemented and the stitching inplace. Eig. A is an alternative form showing vthe upper connected to thestitching. Fig. 5 is a detail of a still further alternative form ofleather sole.

In the drawings like letters of reference indicate corresponding partsin each figure.

A is the main body of the sole. The sole A, on reference to Figs. l, 2,and 3, is provided with a channel a, cut from the inside toward theupper apex or corner of the edge of the sole, a Hap a being formed inthe process of cutting, which is done by any suitable machine adaptedfor this purpose. The sole is then stitched from the channel and up tothe upper apex or corner a2 of the edge, which is preferably beveled offat a3, as shown.

The stitching C extends or projects outwardly from the corner, and by aseries of stitches extending around the upper corner to the edge of thesole a series of loops are necessarily formed, whereby the knitted orcrocheted fabric may be secured in position. Of course it is notnecessary that the upper should be a knitted or crocheted fabric; butany other' suitable material might be with facility connected to thestitching, as shown.

In Eig. 4 we show an upper B, attached by the stitching C to the uppercorner of the edge of the sole. The lower edge of the upper, however,extends into a right-angular groove ai, cut in the corner instead Vofthe beveled portion referred to in the former figures.

In Eig. 5 we show the channel cut from the inside at the top down andalong toward the upper' corner or edge of the sole, the stitching Cbeing secured in position and projecting from the upper corner, ashereinbefore described.

In all of the forms it will be noticed that it is adapted to have thechannel extend into proximity with the upper corner of the edge of thesole and to always cut the channel from the inside toward the cornerinstead of, as is usual in the manufacture of shoes, cutting the channelfrom the outside to the inside at the bottom of the sole. It will ofcourse be understood that the iiaps a in every instance are cementeddown in position and that the bottom surface of the sole is therebystrong and will last quite a length of time.

Heretofore slipper-soles of this class have been frequently of cardboardand covered with thin leather and having a cord stitched into theleather where it is turned around the upper corner of the edge of thesole. There are various makes in which` this sole is ernployed in variedforms; but necessarily the life of such a sole, seeing that the leatheris just a thin cover, is but short.

By our construction of sole it will be readily understood that the solebeing of leather throughout and the stitching being. secured in themanner as hereinbefore described the life of the sole, particularly asin the preferred form as shown in the iirst three figures, is lengthenedto a maximum extent.

The form of stitch we use in the manufac- IOO ture of our sole ispreferably a chain-stitch, and it Will be understood that once the flapof the channel is cernented down in position the inner end of the fiappinches upon the stitching, so that when the sole has become Worn andone or more stitches give it necessarily follows that the remainingstitches Will not give, but be held in place by the inner end ol theflap of the channel. y

l/Vhat We claim as our invention is- As a new article of manufacture, aslippersole comprising a single thickness of leather

